Direct detection of magnon spin transport by the inverse spin Hall effect

被引：128
|
作者：
Chumak, A. V. [1 ,2 ]
Serga, A. A. [1 ,2 ]
Jungfleisch, M. B. [1 ,2 ]
Neb, R. [1 ,2 ]
Bozhko, D. A. [3 ]
Tiberkevich, V. S. [4 ]
Hillebrands, B. [1 ,2 ]
机构：
[1] Tech Univ Kaiserslautern, Fachbereich Phys, D-67663 Kaiserslautern, Germany
[2] Tech Univ Kaiserslautern, Forschungszentrum OPTIMAS, D-67663 Kaiserslautern, Germany
[3] Taras Shevchenko Natl Univ Kyiv, Fac Radiophys, Kiev, Ukraine
[4] Oakland Univ, Dept Phys, Rochester, MI 48309 USA
来源：
APPLIED PHYSICS LETTERS | 2012年 / 100卷 / 08期
基金：
美国国家科学基金会;
关键词：
Crystal symmetry - Spin Hall effect - Yttrium iron garnet;
D O I：
10.1063/1.3689787
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Conversion of traveling magnons into an electron carried spin current is demonstrated in a time resolved experiment using a spatially separated inductive spin-wave source and an inverse spin Hall effect (ISHE) detector. A spin-wave packet is excited in a yttrium-iron garnet waveguide by a microwave signal and is detected 3mm apart by an attached platinum layer as a delayed ISHE voltage pulse. The delay appears due to the finite spin-wave group velocity and proves the magnon spin transport. The experiment suggests the utilization of spin waves for the information transfer over macroscopic distances in spintronic devices and circuits. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.3689787]
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页数：3
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